Weather in September
Sea temperature
With an average sea temperature of 17.3°C (63.1°F), September is the month with the warmest seawater in Shoreham-by-Sea, United Kingdom.Note: For most people, a water temperature of 17.3°C (63.1°F) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 21°C (69.8°F).
Daylight
The average length of the day in September in Shoreham-by-Sea, United Kingdom, is 12h and 37min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:46 pm. On the last day of September, in Shoreham-by-Sea, United Kingdom, sunrise is at 7:00 am and sunset at 6:41 pm BST.
Frequently asked questions
When is the sea warmest in Shoreham-by-Sea?
The month with the warmest seawater in Shoreham-by-Sea is September, with an average sea temperature of 17.3°C (63.1°F).
What is the sea water temperature in September in Shoreham-by-Sea?
In Shoreham-by-Sea, the average seawater temperature in September is 17.3°C (63.1°F). For most, swimming in 17.3°C (63.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
What is the average length of the day in September in Shoreham-by-Sea?
In Shoreham-by-Sea, the average day length in September is 12h and 37min.
When are sunrise and sunset in September in Shoreham-by-Sea?
On the first day of September in Shoreham-by-Sea, sunrise is at 6:15 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:41 pm BST.
Average sea temperature in September
Shoreham-by-Sea, United Kingdom
- Average sea temperature in September: 17.3°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in September
Shoreham-by-Sea, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
Shoreham-by-Sea, United Kingdom
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